70487760 has 80 divisors (see below), whose sum is σ = 249734016. Its totient is φ = 16111104.

The previous prime is 70487749. The next prime is 70487761. The reversal of 70487760 is 6778407.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (70487761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19299 + ... + 22658.

Almost surely, 2^70487760 is an apocalyptic number.

70487760 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

70487760 is an abundant number, since it is smaller than the sum of its proper divisors (179246256).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

70487760 is a wasteful number, since it uses less digits than its factorization.

70487760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41980 (or 41974 counting only the distinct ones).

The product of its (nonzero) digits is 65856, while the sum is 39.

The square root of 70487760 is about 8395.6988988410. The cubic root of 70487760 is about 413.0835524039.

The spelling of 70487760 in words is "seventy million, four hundred eighty-seven thousand, seven hundred sixty".